Cutting tool insert and cutting tool
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United States of America Patent
Stats
-
Feb 8, 2005
Grant Date -
Apr 29, 2004
app pub date -
Oct 24, 2002
filing date -
Jul 9, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The cutting tool insert 1 is in a substantially plate form and of polygonal shape and is provided with a major cutting edge 16A (or 16B) extending from one corner 14A (or 14B) toward the other corner 15A (or 15B). The major cutting edge 16A (or 16B) comprises a first edge line and a second edge line that meet to form an obtuse angle, which causes the area where the first and second edge lines meet to protrude slightly outwards, as viewed from above. The first edge line slopes down towards the second edge line so that the distance with a seat face 11 decreases gradually as viewed from the side, and the first edge line forms an obtuse angle with the second edge line causing the top face area to dip down towards the seat face. The first edge line is shorter than the second edge line.
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Cited Art Landscape
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